Can I take Furosemide and Metoprolol together?
Drug interaction guide
Originally published 14 Mar 2026
Meets Patient’s editorial guidelines
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Taking these two medicines together can cause your blood pressure to drop lower than intended. This might make you feel dizzy, light-headed, or faint, especially when you stand up quickly from a sitting or lying position. It can also increase the risk of becoming dehydrated or having an imbalance in your body's natural salts (electrolytes).
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Why this happens
Both medicines work to lower blood pressure but in different ways. Furosemide is a 'water tablet' (diuretic) that removes excess fluid, while metoprolol is a beta-blocker that slows the heart rate. When used together, their effects add up, which can lead to an exaggerated drop in blood pressure. Furosemide can also lower potassium levels, which can sometimes affect how heart medications work.
What you should do
Back to contentsYou can take these together, but you should be careful. When you first start this combination or if your dose is increased, get up slowly from a bed or chair to avoid dizziness. Monitor your blood pressure at home if your doctor has asked you to. If you feel very dizzy, faint, or notice a very slow heartbeat, contact your doctor. Your doctor may want to perform regular blood tests to check your kidney function and salt levels (like potassium).
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Using other medicines
Back to contentsTaking multiple medicines? Our Medicines Interaction Checker helps you check whether your prescriptions, over-the-counter medicines, and supplements are safe to take together. Simply search for your medicines to see potential interactions and what to do about them.
Disclaimer
This information is for general educational purposes only and should not be relied upon as a substitute for professional medical advice. Always consult your GP, pharmacist, or another qualified healthcare professional before making decisions about your medications. Individual circumstances may vary, and only a healthcare professional who knows your medical history can provide personalised guidance.
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Article history
The information on this page is written and peer reviewed by qualified clinicians.
14 Mar 2026 | Originally published

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